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Old 02-24-2017, 10:35 AM
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Padgett
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Default Re: Crossfire Oil Change

Just changed the oil and reset the FSS myself. Always had dealer do before. Found some interesting things.

1) belly pan was completely dry
2) gorilla had tightened the oil pan bolt, thought seized at first. Why ?
3) 10 qts of Mobil 1 "European" 0W-40 was $50. Have some extra but never needed any. Was cheaper than 4 1qt bottles.
4) MANN "metal free" filter HU718/5x - anyone know what the "x" means.
5) Had to be careful to get the four different sized O rings on the oil filter cap thingie. Had one medium sized O ring left over.

Interesting pricing (Amazon)
Mopar 0510 2905AB, Engine Oil Filter
by Mopar
Price: $27.95

Mann-Filter HU 718/5 X Metal-Free Oil Filter
by Mann Filter
Price: $10.69

Chrysler installed (old) filter was stamped MANN HU 718/5 (no x) & 05102905AB

Just some notes.


ps oil "weights": the higher the number, the thicker the oil.

SAE measures thickness of the oil at two points: cold and hot.

Straight weight oils have a single number and match the SAE charts both cold and hot.

Multigrade oils have two numbers: the thickness cold (W) and the thickness hot

Originally motor oils had six grades, 10 - 60. Most old cars used straight 30 (not getting into non detergent, high milage, etc). Harleys used 60 wt. Think may still have a can of 60 wt Pre-Lux). Then the chemists developed oils that did not match the two charts so were given two numbers such as 10W-30 meaning it was as thin as a 10 weight when cold but stayed as thick as a 30wt when hot. When cold it is easier to start a 10w-30 than a 30wt.

Then synthetics and high efficiency oils came along and we got half values e.g 5W-15

Finally Europeans started producing an oil that was thinner cold than the chart (for really cold climates) and we got a 0W-40.

Mobil 1 has a synthetic 0W-40 approved by Merc so I used that.
 

Last edited by Padgett; 02-24-2017 at 10:57 AM.